Worst air pollution Blumenau, today and tomorrow

Today (16 July): Air quality in Blumenau is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 15.8/100).
Tomorrow (17 July 2026): Air quality in Blumenau is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 16.1/100). Airmine updates local air quality forecasts four times daily.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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Blumenau's air quality reflects its position in the Itajaí river valley in Santa Catarina, with the surrounding Serra Geral mountains creating topographic enclosure that can concentrate vehicle and industrial emissions under calm conditions. Atlantic sea breezes from the nearby Itajaí coastline provide periodic ventilation, while the valley's textile and manufacturing industrial base and traffic on the BR-470 corridor are the primary local emission sources.

Today - 16 July | Pollution peaks at 17:00

AQI:

Good

15.8/100

PM2.5 (fine particles):

Good

7.5/100

PM10 (coarse particles):

Good

3.4/100

NO2 (nitrogen dioxide):

Good

0.2/100

O3 (ozone):

Good

15.8/100

SO2 (sulfur dioxide):

Good

0.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.5/100

PM1 (ultrafine particles):

Good

1.4/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 23:00

AQI:

Good

16.1/100

PM2.5 (fine particles):

Good

5.8/100

PM10 (coarse particles):

Good

2.6/100

NO2 (nitrogen dioxide):

Good

0.1/100

O3 (ozone):

Good

16.1/100

SO2 (sulfur dioxide):

Good

0.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.5/100

PM1 (ultrafine particles):

Good

1.3/100

Pollen forecast in Blumenau

View pollen forecast

Frequently Asked Questions

Is air quality bad in Blumenau right now?

On 16 July 2026, overall air quality in Blumenau is good. AQI is the main air quality indicator at 15.8/100. Pollution peaks around 5:00 PM (O3: 15.8/100).

Will air quality be worse tomorrow in Blumenau?

On 17 July 2026, air quality conditions in Blumenau will be similar to today, with AQI forecast at good at 16.1/100. Pollution peaks around 11:00 PM (O3: 16.1/100).

When is air pollution at its worst in Blumenau?

You're most likely to notice worse air in Blumenau when native Atlantic Forest species and introduced German-heritage urban trees pollen peaks, or due to the surrounding Serra Geral mountains; background levels usually settle back down once the season changes.

Are air quality levels in Blumenau based on measurements or forecasts?

It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.

Want to see air quality forecasts for other cities in Brazil?

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This forecast is produced independently using Airmine's own atmospheric data and models.

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

For long term forecasts and maps, see the Airmine app